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• #2
NDS should be the same, for the same length, DS will have a different spider between the triple and double
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• #3
And I imagine triple would have a longer axle/bigger Q-factor than double?
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• #4
BB can be used on double & triple. Triple crankset just needs spacers as per below.
https://www.sjscycles.co.uk/chainsets/shimano-ultegra-fc6603-chainset-spacer-65mm-1f9-1300/?sessionid=ac61f7391089ca6c110c7d24775ec2a934527844 - 1x
https://www.sjscycles.co.uk/bottom-brackets/shimano-fc-7600-m760-m960-hollowtech-ii-axle-ring-1f3-1600-each/?sessionid=ac61f7391089ca6c110c7d24775ec2a934527844 - 2x
https://www.sjscycles.co.uk/chainsets/shimano-105-fc5603-chainset-spacer-3mm-1gf-1100/?sessionid=ac61f7391089ca6c110c7d24775ec2a934527844 - 1x
Help, would the cranks arms for a 105 triple be the same ones on a double? Just the rings (obvs) and bb that are different?